import { Link, useNavigate } from 'react-router-dom'
import { Card, Breadcrumb, Form, Button, Radio, DatePicker, Select, Table, Tag, Space  } from 'antd'
import 'moment/locale/zh-cn'
import locale from 'antd/es/date-picker/locale/zh_CN'
import './index.scss'
import img404 from '@/assets/error.png'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'
import { useEffect, useState } from 'react'
import { http } from "@/utils"
import { useStore } from '@/store'
import { observer} from "mobx-react-lite"

const { Option } = Select
const { RangePicker } = DatePicker

const Article = () => {
  // 频道列表管理
  const { channelStore} = useStore()

  // 文章列表管理 统一管理数据
  const [articleData, setArticleData] = useState({
    list: [], // 文章列表
    count: 0 // 文章数量
  })

  // 文章参数管理
  const [params, setParams] = useState({
    page: 1,
    per_page: 5
  })

  // 如果异步请求函数需要依赖一些数据的变化而重新执行
  // 推荐把它写在内部
  // 统一不抽离函数到外面 只要涉及到异步请求的函数 都放到useEffect内部
  // 本质区别: 写在外面每次组件更新都会重新进行函数初始化 这本身就是一次性能消耗
  // 写到useEffect中 只会在依赖项发生变化的时候 函数才会重新初始化
  useEffect(() => {
    const loadList = async () =>{
      const res = await http.get("/mp/articles", {params})
      const {results, total_count} = res.data.data
      // console.log(results);
      setArticleData({
        list: results,
        count: total_count,
      })
    }
    loadList()
  }, [params])

  const onFinish = (values) =>{
    console.log(values);
    const {channel_id, date, status} = values
    // 数据处理
    const _params = {}
    if(status !== -1) {
      _params.status = status
    }
    if(channel_id){
      _params.channel_id = channel_id
    }
    if(date) {
      _params.begin_pubdate = date[0].format('YYYY-MM-DD')
      _params.end_pubdate = date[1].format('YYYY-MM-DD')
    }
    // 修改params数据 引起接口的重新发送  整体覆盖
    setParams({
      ...params,
      _params
    })
  }

  // 翻页实现
  const pageChange = (page) => {
    setParams({
      ...params,
      page
    })
  }

  // 删除功能
  const delArticle = async (data) =>{
    // console.log(data);
    await http.delete(`/mp/articles/${data.id}`)
    // 刷新列表
    setParams({
      ...params,
      page:1
    })
  }

  // 编辑
  const navigate = useNavigate()
  const goPublish = (data) =>{
    navigate(`/publish?id=${data.id}`)
  } 
   const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      width:120,
      render: cover => {
        return <img src={cover.images[0] || img404} width={80} height={60} alt="" />
      }
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220
    },
    {
      title: '状态',
      dataIndex: 'status',
      render: data => <Tag color="green">审核通过</Tag>
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate'
    },
    {
      title: '阅读数',
      dataIndex: 'read_count'
    },
    {
      title: '评论数',
      dataIndex: 'comment_count'
    },
    {
      title: '点赞数',
      dataIndex: 'like_count'
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button 
              type="primary" 
              shape="circle" 
              icon={<EditOutlined />}
              onClick={() =>goPublish(data)}
            />
            <Button
              type="primary"
              danger
              shape="circle"
              icon={<DeleteOutlined />}
              onClick={() =>delArticle(data)}
            />
          </Space>
        )
      }
    }
  ]

  return (
    <div>
      {/* 筛选区域 */}
      <Card
        title={
          <Breadcrumb separator=">">
            <Breadcrumb.Item>
              <Link to="/home">首页</Link>
            </Breadcrumb.Item>
            <Breadcrumb.Item>内容管理</Breadcrumb.Item>
          </Breadcrumb>
        }
        style={{ marginBottom: 20 }}
      >
        <Form 
          initialValues={{ status: -1 }}
          onFinish={onFinish}
        >
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={-1}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={1}>待审核</Radio>
              <Radio value={2}>审核通过</Radio>
              <Radio value={3}>审核失败</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Select
              placeholder="请选择文章频道"
              // defaultValue="lucy"
              style={{ width: 120 }}
            >
              {
                channelStore.channelList.map(channel =>
                <Option value={channel.name} key={channel.id}>{channel.name}</Option>
                )
              }
            </Select>
          </Form.Item>

          <Form.Item label="日期" name="date">
            {/* 传入locale属性 控制中文显示*/}
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit" style={{ marginLeft: 80 }}>
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>
      {/* 文章列表区域 */}
      <Card title={`根据筛选条件共查询到 ${articleData.count} 条结果：`}>
        <Table rowKey="id" columns={columns} dataSource={articleData.list}
          pagination={{
            pageSize: params.per_page,
            total: articleData.count,
            onChange: pageChange
          }}
        />
      </Card>
    </div>
  )
}

export default  observer(Article)